//撤销
public static void UndoEdit(AxMapControl axmap, ILayer player)
{
// Check that editing is possible
m_CurrentLayer = player;
m_MapControl = axmap;
if (m_CurrentLayer == null)
{
return;
}
IFeatureLayer pFeatureLayer = (IFeatureLayer)m_CurrentLayer;
IDataset pDataset = (IDataset)pFeatureLayer.FeatureClass;
if (pDataset == null)
{
return;
}
/// If edits have taken place then roll-back the last one
IWorkspaceEdit pWorkspaceEdit = (IWorkspaceEdit)pDataset.Workspace;
bool bHasUndos = false;
pWorkspaceEdit.HasUndos(ref bHasUndos);
if (bHasUndos)
{
pWorkspaceEdit.UndoEditOperation();
}
IActiveView pActiveView = (IActiveView)m_MapControl.Map;
pActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, pActiveView.Extent);
pActiveView.Refresh();
}
/// <summary>
/// 撤消以前所做的编辑
/// </summary>
public void UndoEdit()
{
bool bHasUndos = false;
try
{
if (m_pCurrentLayer == null)
{
return;
}
IFeatureLayer pFeatureLayer = (IFeatureLayer)m_pCurrentLayer;
IDataset pDataset = (IDataset)pFeatureLayer.FeatureClass;
if (pDataset == null)
{
return;
}
IWorkspaceEdit pWorkspaceEdit = (IWorkspaceEdit)pDataset.Workspace;
pWorkspaceEdit.HasUndos(ref bHasUndos);
if (bHasUndos)
{
pWorkspaceEdit.UndoEditOperation();
}
IActiveView pActiveView = (IActiveView)m_pMap;
pActiveView.Refresh();
}
catch (Exception e)
{
Console.WriteLine(e.Message.ToString());
}
}
/// <summary>
/// 撤销编辑
/// </summary>
/// <param name="workspaceEdit">编辑</param>
private static void UndoEdit(IWorkspaceEdit workspaceEdit)
{
if (!workspaceEdit.IsBeingEdited())
{
return;
}
//撤销编辑
workspaceEdit.UndoEditOperation();
workspaceEdit.StopEditing(false);
}
/// <summary>
/// 撤销操作
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void m_undotool_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
{
if (pEngineEditor != null && pEngineEditor.EditState == esriEngineEditState.esriEngineStateEditing)
{
m_redotool.Enabled = true;
IWorkspaceEdit workspaceedit = (IWorkspaceEdit)pEngineEditor.EditWorkspace;
bool bHasUndo = true;
workspaceedit.HasUndos(ref bHasUndo);
if (bHasUndo)
{
workspaceedit.UndoEditOperation();
((IActiveView)m_mapControl.Map).Refresh();
}
}
}
public void OnClick()
{
try
{
m_Map = m_hookHelper.FocusMap;
m_activeView = m_Map as IActiveView;
m_EngineEditor = MapManager.EngineEditor;
EditVertexClass.ClearResource();
if (m_EngineEditor == null)
{
return;
}
if (m_EngineEditor.EditState != esriEngineEditState.esriEngineStateEditing)
{
return;
}
//此处应为IWorkspaceEdit，若为IWorkspaceEdit2无法强制转换
IWorkspaceEdit pWSEdit = m_EngineEditor.EditWorkspace as IWorkspaceEdit;
IWorkspace pWorkspace = m_EngineEditor.EditWorkspace;
if (pWSEdit == null)
{
return;
}
Boolean bHasUndo = true;
if (pWorkspace.Type == esriWorkspaceType.esriRemoteDatabaseWorkspace)
{
m_EngineEditor.EditSessionMode = esriEngineEditSessionMode.esriEngineEditSessionModeNonVersioned;
}
//m_EngineEditor.EditSessionMode = esriEngineEditSessionMode.esriEngineEditSessionModeVersioned;
pWSEdit.HasUndos(ref bHasUndo);
if (bHasUndo)
{
pWSEdit.UndoEditOperation();
}
m_activeView.Refresh();
}
catch (Exception ex)
{
//SysLogHelper.WriteOperationLog("编辑恢复错误", ex.Source, "数据编辑");
}
}
public void UndoEdit()
{
if (MyselectedLayer == null)
{
return;
}
IFeatureLayer featLayer = MyselectedLayer as IFeatureLayer;
IDataset dataset = featLayer.FeatureClass as IDataset;
IWorkspaceEdit workspaceEdit = dataset.Workspace as IWorkspaceEdit;
bool bHasUndos = false;
workspaceEdit.HasUndos(ref bHasUndos);
if (bHasUndos)
{
workspaceEdit.UndoEditOperation();
}
ClearSelection();
}
public override void OnClick()
{
if (m_Hook == null)
{
return;
}
//LogFile log = new LogFile(m_Hook.tipRichBox, m_Hook.strLogFilePath);
//if (log != null)
//{
// log.Writelog("鹰眼图设置");
//}
if (m_Hook.ArcGisMapControl.Map.LayerCount == 0)
{
MessageBox.Show("当前没有调阅数据！", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
try
{
IWorkspaceEdit iWE = ((getEditLayer.isExistLayer(m_Hook.ArcGisMapControl.Map) as IFeatureLayer).FeatureClass as IDataset).Workspace as IWorkspaceEdit;
if (iWE.IsBeingEdited())
{
bool hasEdits = false;
iWE.HasUndos(ref hasEdits);
if (hasEdits && MessageBox.Show("是否撤销编辑？", "提示", MessageBoxButtons.YesNo, MessageBoxIcon.Information) == DialogResult.Yes)
{
iWE.UndoEditOperation();
}
}
m_Hook.ArcGisMapControl.ActiveView.Refresh();
iWE = null;
}
catch
{
}
}
public void DeleteFeature(string featureClass, string whereClause)
{
Exception methodException = null;
bool bError = false;
IFeatureClass fc = GetFeatureClass(featureClass);
if (fc == null)
{
return;
}
IWorkspaceEdit ipWksEdit = ((IDataset)fc).Workspace as IWorkspaceEdit;
if (null != ipWksEdit)
{
try
{
ipWksEdit.StartEditing(true);
ipWksEdit.StartEditOperation();
}
catch
{
bError = true;
return;
}
}
try
{
IQueryFilter query = (IQueryFilter)_serverContext.CreateObject("esriGeoDatabase.QueryFilter");
query.WhereClause = whereClause;
IFeatureCursor fcur = fc.Search(query, false);
// Delete them all
IFeature currentFeature = fcur.NextFeature();
while (currentFeature != null)
{
currentFeature.Delete();
currentFeature = fcur.NextFeature();
}
query = null;
}
catch (Exception e)
{
methodException = e;
bError = true;
}
if (null != ipWksEdit)
{
try
{
if (bError)
{
//rollback
ipWksEdit.UndoEditOperation();
ipWksEdit.StopEditing(false);
}
else
{
//commit
ipWksEdit.StopEditOperation();
ipWksEdit.StopEditing(true);
}
}
catch
{
}
finally
{
ipWksEdit = null;
}
}
if (methodException != null)
{
throw methodException;
}
}
public void UpdateFeature(string featureClasses,
List <FeatureValues> featureValues,
double[] Coordinates,
string sID,
string sFieldName)
{
bool bError = false;
IFeatureClass fc = GetFeatureClass(featureClasses);
IWorkspaceEdit ipWksEdit = ((IDataset)fc).Workspace as IWorkspaceEdit;
if (null != ipWksEdit)
{
try
{
ipWksEdit.StartEditing(true);
ipWksEdit.StartEditOperation();
}
catch
{
bError = true;
return;
}
}
// the meat to update the feature
foreach (FeatureValues featureValue in featureValues)
{
featureValue.Index = fc.Fields.FindField(featureValue.Name);
}
IQueryFilter pQueryFilter = (IQueryFilter)_serverContext.CreateObject("esriGeoDatabase.QueryFilter");
pQueryFilter.WhereClause = sFieldName + "='" + sID + "'";
IFeatureCursor cursor = fc.Update(pQueryFilter, false);
IFeature pFeature;
while ((pFeature = cursor.NextFeature()) != null)
{
if (Coordinates != null && Coordinates.Length == 2)
{
double[] points = Coordinates;
ESRI.ArcGIS.Geometry.IPoint pt = (ESRI.ArcGIS.Geometry.IPoint)_serverContext.CreateObject("esriGeometry.Point");
pt.PutCoords(points[0], points[1]);
pFeature.Shape = pt as ESRI.ArcGIS.Geometry.IPoint;
}
else if (Coordinates != null && Coordinates.Length > 2)
{
ESRI.ArcGIS.Geometry.IPointCollection pPointCol = _serverContext.CreateObject("esriGeometry.Polygon") as ESRI.ArcGIS.Geometry.IPointCollection;
for (int i = 0; i < Coordinates.Length; i += 2)
{
ESRI.ArcGIS.Geometry.IPoint pt = (ESRI.ArcGIS.Geometry.IPoint)_serverContext.CreateObject("esriGeometry.Point");
pt.PutCoords(Coordinates[i], Coordinates[i + 1]);
pPointCol.AddPoints(1, ref pt);
}
pFeature.Shape = pPointCol as ESRI.ArcGIS.Geometry.IPolygon;
}
break;
}
pFeature.Store();
if (null != ipWksEdit)
{
try
{
if (bError)
{
//rollback
ipWksEdit.UndoEditOperation();
ipWksEdit.StopEditing(false);
}
else
{
//commit
ipWksEdit.StopEditOperation();
ipWksEdit.StopEditing(true);
}
}
catch
{
}
finally
{
Marshal.ReleaseComObject(ipWksEdit);
ipWksEdit = null;
}
}
}
/// <summary>
/// Occurs when this tool is clicked
/// </summary>
public override void OnClick()
{
//1 Getting data that needs lossy compression (Data is stored in the form of feature class)
IFeatureLayer feaLyr = TargetLayerSelector.OperateLyr as IFeatureLayer;
IFeatureClass targetFeaClass = feaLyr.FeatureClass;
IDataset dataSet = targetFeaClass as IDataset;
workspaceEdit = dataSet.Workspace as IWorkspaceEdit;
int elementIdIndex = targetFeaClass.FindField("id"); //Get attribute address
int encodingIndex = targetFeaClass.FindField("GosperId"); //If lossy compression of row encoding is carried out, replace "GosperId" here with "RowId"
int typeIndex = targetFeaClass.FindField("type");
//2 Information statistics before fusion
// Get the element Id set
List <int> idList = new List <int>();
IFeatureCursor feaCursor = targetFeaClass.Search(null, false);
IFeature fea = null;
while ((fea = feaCursor.NextFeature()) != null)
{
string feaIdStr = fea.get_Value(elementIdIndex).ToString();
if (feaIdStr == "")
{
continue;
}
int feaId = int.Parse(feaIdStr);
//Store the Id set using the list
if (!idList.Contains(feaId))
{
idList.Add(feaId);
}
}
//2.1 Number statistics of adjacent sequences before fusion
List <int> beforeElementAdjSeqNumList = new List <int>(); //Number of adjacency sequences in element regions before fusion
List <int> afterElementAdjSeqNumList = new List <int>(); //Number of adjacency sequences in element regions after fusion
List <int> elementStraightforwardEncAmtList = new List <int>(); //Total straightforward encoding amount of element regions
IQueryFilter qf1 = new QueryFilterClass(); //Element querier
for (int i = 0; i < idList.Count; i++)
{
int adjSeqNum = 0; //Adjacency sequences counting variable
List <int> elementEncodingList = new List <int>(); //Storage element encoding set (Gosper encoding or Row encoding based on specific task type)
// Get the set of element encoding
qf1.WhereClause = "id = " + idList[i];
IFeatureCursor feaCursor1 = targetFeaClass.Search(qf1, false);
IFeature unitFea = null;
while ((unitFea = feaCursor1.NextFeature()) != null)
{
elementEncodingList.Add(int.Parse(unitFea.get_Value(encodingIndex).ToString()));
}
elementEncodingList.Sort();
// Statistical number of adjacency sequences
int tempEncoding = elementEncodingList[0];
int currentEncoding = tempEncoding;
for (int j = 1; j < elementEncodingList.Count; j++)
{
tempEncoding = elementEncodingList[j];
//Encoding breaks, update the number of adjacency sequences
if (tempEncoding != currentEncoding + 1)
{
adjSeqNum++;
}
currentEncoding = tempEncoding;
}
//Add the last adjacency sequence
adjSeqNum++;
//Store the adjacency sequences amount and straightforward encoding amount of the region before fusion
beforeElementAdjSeqNumList.Add(adjSeqNum);
elementStraightforwardEncAmtList.Add(elementEncodingList.Count);
}
//3 Fusion process
//Output address settings for experimental results
string filePath = System.IO.Directory.GetCurrentDirectory() + "\\FolderName";
if (!Directory.Exists(filePath))
{
Directory.CreateDirectory(filePath);
}
string txtPath = filePath + "\\FileName" + DateTime.Now.ToString("yyyyMMddHHmmss") + ".txt";
StreamWriter sw = new StreamWriter(txtPath, true);
//Turn on editing control
StartEdit();
int FusionThreshold = 1;//Setting fusion threshold (In this experiment, set 1,2,3 respectively.)
//3.1 Intermediate absorption fusion
for (int i = 0; i < idList.Count; i++)
{
//Store element encoding set
List <int> elementEncodingList = new List <int>();
// Get the set of element encoding
qf1.WhereClause = "id =" + idList[i];
IFeatureCursor feaCursor1 = targetFeaClass.Search(qf1, false);
IFeature unitFea = null;
while ((unitFea = feaCursor1.NextFeature()) != null)
{
elementEncodingList.Add(int.Parse(unitFea.get_Value(encodingIndex).ToString()));
}
elementEncodingList.Sort();
// Fusion of adjacency sequences according to thresholds
int tempEncoding = elementEncodingList[0];
int currentEncoding = tempEncoding;
IQueryFilter qf = new QueryFilterClass();
for (int j = 1; j < elementEncodingList.Count; j++)
{
tempEncoding = elementEncodingList[j];
//Adjacent encoding
if (tempEncoding == currentEncoding + 1)
{
currentEncoding = tempEncoding;
continue;
}
//Fusion within the threshold range
else if (currentEncoding + FusionThreshold >= tempEncoding)
{
bool isBreak = false;//Indicators for judging whether regional breaks occur
//Open editing operation
workspaceEdit.StartEditOperation();
//Change the belonging attribution of the fused unit
for (int k = currentEncoding + 1; k < tempEncoding; k++)
{
qf.WhereClause = "GosperId =" + k;
IFeature searchFea = targetFeaClass.Search(qf, false).NextFeature();
string FusionElementId = searchFea.get_Value(elementIdIndex).ToString();
searchFea.set_Value(elementIdIndex, idList[i]); //Change the belonging attribution
searchFea.set_Value(typeIndex, 1); //Set the change type 1:absorption fusion -1:release fusion
searchFea.Store();
//Check whether regional break occurs after fusion in the element region corresponding to the unit
if (FusionElementId == "")
{
continue;
}
isBreak = isRegionalBreak(targetFeaClass, int.Parse(FusionElementId.ToString()));
if (isBreak)
{
break;
}
}
//Close editing operation
workspaceEdit.StopEditOperation();
//As long as there is a break in one element region, the fusion will be cancelled and recover to its original state.
if (isBreak)
{
workspaceEdit.UndoEditOperation();
}
}
currentEncoding = tempEncoding;
}
}
//3.2 Terminal fusion
for (int i = 0; i < idList.Count; i++)
{
//Store element encoding set
List <int> elementEncodingList = new List <int>();
// Get the set of element encoding
qf1.WhereClause = "id =" + idList[i]; // '" + idList[i] + "'";
IFeatureCursor feaCursor1 = targetFeaClass.Search(qf1, false);
IFeature unitFea = null;
while ((unitFea = feaCursor1.NextFeature()) != null)
{
elementEncodingList.Add(int.Parse(unitFea.get_Value(encodingIndex).ToString()));
}
elementEncodingList.Sort();
//Extraction of short adjacency sequences satisfying threshold constraints
List <int> shortAdjSeq = new List <int>();
int tempEncoding = elementEncodingList[0];
int currentEncoding = tempEncoding;
shortAdjSeq.Add(tempEncoding);
IQueryFilter qf = new QueryFilterClass();
for (int j = 1; j < elementEncodingList.Count; j++)
{
tempEncoding = elementEncodingList[j];
//When encoding discontinuity occurs, the adjacency sequence length is judged.
if (tempEncoding != currentEncoding + 1)
{
//Fusion of short adjacency sequences satisfying threshold constraints
if (shortAdjSeq.Count <= FusionThreshold)
{
//Random search for element region adjacent to short adjacent sequence
int shortHead = shortAdjSeq[0];
int shortTail = shortAdjSeq[shortAdjSeq.Count - 1];
qf = new QueryFilterClass();
qf.WhereClause = "GosperId =" + (shortHead - 1) + "OR GosperId =" + (shortTail + 1);
IFeatureCursor feaCursorNeighbour = targetFeaClass.Search(qf, false);
IFeature neighbourElement = feaCursorNeighbour.NextFeature();
if (neighbourElement != null)
{
bool isBreak = false;
//Open editing operation
workspaceEdit.StartEditOperation();
//Modifying the belonging attribution of units corresponding to short adjacency sequences
for (int k = 0; k < shortAdjSeq.Count; k++)
{
qf.WhereClause = "GosperId =" + shortAdjSeq[k];
IFeature shortFea = targetFeaClass.Search(qf, false).NextFeature();
shortFea.set_Value(elementIdIndex, neighbourElement.get_Value(elementIdIndex)); //Change the belonging attribution
shortFea.set_Value(typeIndex, -1); //Set the change type 1:absorption fusion -1:release fusion
shortFea.Store();
}
//Check whether regional break occurs after fusion in the element region
isBreak = isRegionalBreak(targetFeaClass, idList[i]);
workspaceEdit.StopEditOperation();
//If there is a break in element region, the fusion will be cancelled and recover to its original state.
if (isBreak)
{
workspaceEdit.UndoEditOperation();
}
}
}
shortAdjSeq = new List <int>();
shortAdjSeq.Add(tempEncoding);
currentEncoding = tempEncoding;
}
else
{
shortAdjSeq.Add(tempEncoding);
currentEncoding = tempEncoding;
}
}
//Last adjacency sequence processing
if (shortAdjSeq.Count <= FusionThreshold)
{
int shortHead = shortAdjSeq[0];
int shortTail = shortAdjSeq[shortAdjSeq.Count - 1];
qf = new QueryFilterClass();
qf.WhereClause = "GosperId =" + (shortHead - 1) + "OR GosperId =" + (shortTail + 1);
IFeatureCursor feaCursorNeighbour = targetFeaClass.Search(qf, false);
IFeature neighbourElement = feaCursorNeighbour.NextFeature();
if (neighbourElement != null)
{
bool isBreak = false;
workspaceEdit.StartEditOperation();
for (int k = 0; k < shortAdjSeq.Count; k++)
{
qf.WhereClause = "GosperId =" + shortAdjSeq[k];
IFeature shortFea = targetFeaClass.Search(qf, false).NextFeature();
shortFea.set_Value(elementIdIndex, neighbourElement.get_Value(elementIdIndex));
shortFea.set_Value(typeIndex, -1);
shortFea.Store();
}
isBreak = isRegionalBreak(targetFeaClass, idList[i]);
workspaceEdit.StopEditOperation();
if (isBreak)
{
workspaceEdit.UndoEditOperation();
}
}
shortAdjSeq = null;
}
}
//Turn off editing control, save results
StopAndCommitEdit();
//4 Information statistics after fusion
qf1 = new QueryFilterClass();
for (int i = 0; i < idList.Count; i++)
{
int adjSeqNum = 0; //Adjacency sequences counting variable
List <int> elementEncodingList = new List <int>(); //Storage element encoding set (Gosper encoding or Row encoding based on specific task type)
// Get the set of element encoding
qf1.WhereClause = "id =" + idList[i];
IFeatureCursor feaCursor1 = targetFeaClass.Search(qf1, false);
IFeature unitFea = null;
while ((unitFea = feaCursor1.NextFeature()) != null)
{
elementEncodingList.Add(int.Parse(unitFea.get_Value(encodingIndex).ToString()));
}
elementEncodingList.Sort();
// Statistical number of adjacency sequences
int tempEncoding = elementEncodingList[0];
int currentEncoding = tempEncoding;
for (int j = 1; j < elementEncodingList.Count; j++)
{
tempEncoding = elementEncodingList[j];
//Encoding breaks, update the number of adjacency sequences
if (tempEncoding != currentEncoding + 1)
{
adjSeqNum++;
}
currentEncoding = tempEncoding;
}
//Add the last adjacency sequence
adjSeqNum++;
//Store the adjacency sequences amount of the region after fusion
afterElementAdjSeqNumList.Add(adjSeqNum);
}
//5 Output statistics
double beforeAdjSeqNumSum = 0; //Total number of adjacency sequences before fusion
double afterAdjSeqNumSum = 0; //Total number of adjacency sequences after fusion
double straightforwardEncAmtSum = 0; //Total straightforward encoding amount
for (int i = 0; i < idList.Count; i++)
{
double beforeAdjSeqNum = beforeElementAdjSeqNumList[i];
double afterAdjSeqNum = afterElementAdjSeqNumList[i];
double straightforwardEncAmt = elementStraightforwardEncAmtList[i];
//Output statistical information of element region
sw.WriteLine("Element Id," + idList[i] + ",Number of adjacency sequences before fusion," + beforeAdjSeqNum + ",Number of adjacency sequences after fusion," + afterAdjSeqNum + ",Fusion rate," + (1 - afterAdjSeqNum / beforeAdjSeqNum) + ",compression rate," + (afterAdjSeqNum * 2) / straightforwardEncAmt);
//Update the overall information
beforeAdjSeqNumSum += beforeAdjSeqNum;
afterAdjSeqNumSum += afterAdjSeqNum;
straightforwardEncAmtSum += straightforwardEncAmt;
}
//Output overall statistical information
sw.WriteLine(targetFeaClass.AliasName + "综合统计融合前总段数," + beforeAdjSeqNumSum + ",融合后总段数," + afterAdjSeqNumSum + ",总融合率," + (1 - afterAdjSeqNumSum / beforeAdjSeqNumSum) + ",总压缩率," + (afterAdjSeqNumSum * 2) / straightforwardEncAmtSum);
sw.Flush();
sw.Close();
MessageBox.Show("OK");
}
